Quote:
Originally Posted by Razor2010
Yes, I would imagine these super light weight oils are mainly there for fuel economy and emissions stuff, can't fathom how these can be better for the engine life.
However, this is a very deep rabbit hole and I don't think I will switch from the manufacturers recommended because there are so many variables in oil weights and their ingredients that it boggles the mind.
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How is it a rabbit hole? The B58 and B48 can use 0w20 0w30 0w40 5w30 and 5w40 LL04/01. LL04 if europe and LL01 in other places like the USA. Tuned i would want a higher HTHS oil than 0w20.